Look at the Github network charts as Git basically uses directed acyclic graphs. http://github.com/blog/621-bye-bye-flash-network-graph-is-now-canvas http://gi

Look at the Github network charts as Git basically uses directed acyclic graphs. http://github.com/blog/621-bye-bye-flash-network-graph-is-now-canvas http://github.com/blog/621-bye-bye-flash-network-graph-is-no... and http://raphaeljs.com/github/demo.html http://raphaeljs.com/github/demo.html